CHAPTER NINE 1. 2. 3. LENIN'S ILLNESS. LENIN'S CO-OPERATIVE PLAN. TWELFTH PARTY CONGRESS 4. STRUGGLE AGAINST THE DIFFICULTIES OF ECONOMIC RESTORATION. TROTSKYITES TAKE ADVANTAGE OF LENIN'S ILLNESS TO INCREASE THEIR ACTIVITY. DEATH OF LENIN. THE LENIN ENROLMENT. THIRTEENTH PARTY CONGRESS The Lenin Heritage.) 5. Vol. I, p. 319.)